Doctor profile · Federal record
Dr. Karen McCowen, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · San Diego, CA
- NPI 1972541274
- Accepts Medicare
- 37 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
200 W Arbor Dr
San Diego, CA 92103
(858) 657-1636 - Mailing address
-
Po Box 232410
San Diego, CA 921932410
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 5, 2018
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- California #C127993
- Medicaid
- MA #319534
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972541274. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
602
Distinct HCPCS
10
Medicare allowed
$66,594
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 271 | 197 | $114 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 155 | 129 | $101 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 47 | 47 | $138 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $169 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 24 | 24 | $26 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 22 | $79 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 22 | $178 | |
99451 |
Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes | 13 | 13 | $37 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 12 | $68 | |
10005 |
Fine needle aspiration biopsy using ultrasound guidance, first growth | 11 | 11 | $150 |
In context: peer comparison
Among 14 peers in San Diego Endocrinology, Diabetes & Metabolism Physician, average services per provider: 91. This provider delivers 6.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,165
Patients
252
Total drug cost
$754,661
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 264 | 82 | $7,169 |
| Hydrocortisone | Generic | 118 | 22 | $5,396 |
| Trulicity (Dulaglutide) | Brand | 100 | 21 | $121,815 |
| Methimazole | Generic | 91 | 22 | $1,080 |
| Ozempic (Semaglutide) | Brand | 85 | 23 | $104,522 |
| Teriparatide | Generic | 72 | 11 | $200,684 |
| Jardiance (Empagliflozin) | Brand | 68 | 17 | $69,787 |
| Forteo (Teriparatide) | Brand | 54 | 0 | $229,746 |
| Alendronate Sodium | Generic | 50 | 16 | $685 |
| Metformin Hcl | Generic | 50 | 15 | $584 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen McCowen's medical specialty?
Dr. Karen McCowen practices Endocrinology, Diabetes & Metabolism Physician in San Diego, CA.
Where does Dr. Karen McCowen practice?
Dr. Karen McCowen practices at 200 W Arbor Dr, San Diego, CA 92103. Office phone: 8586571636.
What is Dr. Karen McCowen's NPI?
Dr. Karen McCowen's National Provider Identifier (NPI) is 1972541274, issued by NPPES.
Does Dr. Karen McCowen accept Medicare assignment?
Yes. Dr. Karen McCowen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen McCowen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.